glib/deprecated/gthread.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GLib Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #ifndef __G_DEPRECATED_THREAD_H__
  26 #define __G_DEPRECATED_THREAD_H__
  27
  28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  29 #error "Only <glib.h> can be included directly."
  30 #endif
  31
  32 #include <glib/gthread.h>
  33
  34 G_BEGIN_DECLS
  35
  36 #ifndef G_DISABLE_DEPRECATED
  37
  38 typedef enum
  39 {
  40   G_THREAD_PRIORITY_LOW,
  41   G_THREAD_PRIORITY_NORMAL,
  42   G_THREAD_PRIORITY_HIGH,
  43   G_THREAD_PRIORITY_URGENT
  44 } GThreadPriority;
  45
  46 #endif
  47
  48 struct  _GThread
  49 {
  50   /*< private >*/
  51   GThreadFunc func;
  52   gpointer data;
  53   gboolean joinable;
  54   GThreadPriority priority;
  55 };
  56
  57 #ifndef G_DISABLE_DEPRECATED
  58
  59 typedef struct _GThreadFunctions GThreadFunctions;
  60 struct _GThreadFunctions
  61 {
  62   GMutex*  (*mutex_new)           (void);
  63   void     (*mutex_lock)          (GMutex               *mutex);
  64   gboolean (*mutex_trylock)       (GMutex               *mutex);
  65   void     (*mutex_unlock)        (GMutex               *mutex);
  66   void     (*mutex_free)          (GMutex               *mutex);
  67   GCond*   (*cond_new)            (void);
  68   void     (*cond_signal)         (GCond                *cond);
  69   void     (*cond_broadcast)      (GCond                *cond);
  70   void     (*cond_wait)           (GCond                *cond,
  71                                    GMutex               *mutex);
  72   gboolean (*cond_timed_wait)     (GCond                *cond,
  73                                    GMutex               *mutex,
  74                                    GTimeVal             *end_time);
  75   void      (*cond_free)          (GCond                *cond);
  76   GPrivate* (*private_new)        (GDestroyNotify        destructor);
  77   gpointer  (*private_get)        (GPrivate             *private_key);
  78   void      (*private_set)        (GPrivate             *private_key,
  79                                    gpointer              data);
  80   void      (*thread_create)      (GThreadFunc           func,
  81                                    gpointer              data,
  82                                    gulong                stack_size,
  83                                    gboolean              joinable,
  84                                    gboolean              bound,
  85                                    GThreadPriority       priority,
  86                                    gpointer              thread,
  87                                    GError              **error);
  88   void      (*thread_yield)       (void);
  89   void      (*thread_join)        (gpointer              thread);
  90   void      (*thread_exit)        (void);
  91   void      (*thread_set_priority)(gpointer              thread,
  92                                    GThreadPriority       priority);
  93   void      (*thread_self)        (gpointer              thread);
  94   gboolean  (*thread_equal)       (gpointer              thread1,
  95                                    gpointer              thread2);
  96 };
  97
  98 GLIB_VAR GThreadFunctions       g_thread_functions_for_glib_use;
  99 GLIB_VAR gboolean               g_thread_use_default_impl;
 100
 101 GLIB_VAR guint64   (*g_thread_gettime) (void);
 102
 103 GLIB_DEPRECATED_IN_2_32_FOR(g_thread_new)
 104 GThread *g_thread_create       (GThreadFunc       func,
 105                                 gpointer          data,
 106                                 gboolean          joinable,
 107                                 GError          **error);
 108
 109 GLIB_DEPRECATED_IN_2_32_FOR(g_thread_new)
 110 GThread *g_thread_create_full  (GThreadFunc       func,
 111                                 gpointer          data,
 112                                 gulong            stack_size,
 113                                 gboolean          joinable,
 114                                 gboolean          bound,
 115                                 GThreadPriority   priority,
 116                                 GError          **error);
 117
 118 GLIB_DEPRECATED_IN_2_32
 119 void     g_thread_set_priority (GThread          *thread,
 120                                 GThreadPriority   priority);
 121
 122 GLIB_DEPRECATED_IN_2_32
 123 void     g_thread_foreach      (GFunc             thread_func,
 124                                 gpointer          user_data);
 125
 126 #ifndef G_OS_WIN32
 127 #include <sys/types.h>
 128 #include <pthread.h>
 129 #endif
 130
 131 #define g_static_mutex_get_mutex g_static_mutex_get_mutex_impl
 132 #define G_STATIC_MUTEX_INIT { NULL }
 133 typedef struct
 134 {
 135   GMutex *mutex;
 136 #ifndef G_OS_WIN32
 137   /* only for ABI compatibility reasons */
 138   pthread_mutex_t unused;
 139 #endif
 140 } GStaticMutex;
 141
 142 #define g_static_mutex_lock(mutex) \
 143     g_mutex_lock (g_static_mutex_get_mutex (mutex))
 144 #define g_static_mutex_trylock(mutex) \
 145     g_mutex_trylock (g_static_mutex_get_mutex (mutex))
 146 #define g_static_mutex_unlock(mutex) \
 147     g_mutex_unlock (g_static_mutex_get_mutex (mutex))
 148
 149 GLIB_DEPRECATED_IN_2_32_FOR(g_mutex_init)
 150 void    g_static_mutex_init           (GStaticMutex *mutex);
 151 GLIB_DEPRECATED_IN_2_32_FOR(g_mutex_clear)
 152 void    g_static_mutex_free           (GStaticMutex *mutex);
 153 GLIB_DEPRECATED_IN_2_32_FOR(GMutex)
 154 GMutex *g_static_mutex_get_mutex_impl (GStaticMutex *mutex);
 155
 156 typedef struct _GStaticRecMutex GStaticRecMutex;
 157 struct _GStaticRecMutex
 158 {
 159   /*< private >*/
 160   GStaticMutex mutex;
 161   guint depth;
 162
 163   /* ABI compat only */
 164   union {
 165 #ifdef G_OS_WIN32
 166     void *owner;
 167 #else
 168     pthread_t owner;
 169 #endif
 170     gdouble dummy;
 171   } unused;
 172 };
 173
 174 #define G_STATIC_REC_MUTEX_INIT { G_STATIC_MUTEX_INIT }
 175 GLIB_DEPRECATED_IN_2_32_FOR(g_rec_mutex_init)
 176 void     g_static_rec_mutex_init        (GStaticRecMutex *mutex);
 177
 178 GLIB_DEPRECATED_IN_2_32_FOR(g_rec_mutex_lock)
 179 void     g_static_rec_mutex_lock        (GStaticRecMutex *mutex);
 180
 181 GLIB_DEPRECATED_IN_2_32_FOR(g_rec_mutex_try_lock)
 182 gboolean g_static_rec_mutex_trylock     (GStaticRecMutex *mutex);
 183
 184 GLIB_DEPRECATED_IN_2_32_FOR(g_rec_mutex_unlock)
 185 void     g_static_rec_mutex_unlock      (GStaticRecMutex *mutex);
 186
 187 GLIB_DEPRECATED_IN_2_32
 188 void     g_static_rec_mutex_lock_full   (GStaticRecMutex *mutex,
 189                                          guint            depth);
 190
 191 GLIB_DEPRECATED_IN_2_32
 192 guint    g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex);
 193
 194 GLIB_DEPRECATED_IN_2_32_FOR(g_rec_mutex_free)
 195 void     g_static_rec_mutex_free        (GStaticRecMutex *mutex);
 196
 197 typedef struct _GStaticRWLock GStaticRWLock;
 198 struct _GStaticRWLock
 199 {
 200   /*< private >*/
 201   GStaticMutex mutex;
 202   GCond *read_cond;
 203   GCond *write_cond;
 204   guint read_counter;
 205   gboolean have_writer;
 206   guint want_to_read;
 207   guint want_to_write;
 208 };
 209
 210 #define G_STATIC_RW_LOCK_INIT { G_STATIC_MUTEX_INIT, NULL, NULL, 0, FALSE, 0, 0 }
 211
 212 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_init)
 213 void      g_static_rw_lock_init           (GStaticRWLock *lock);
 214
 215 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_reader_lock)
 216 void      g_static_rw_lock_reader_lock    (GStaticRWLock *lock);
 217
 218 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_reader_trylock)
 219 gboolean  g_static_rw_lock_reader_trylock (GStaticRWLock *lock);
 220
 221 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_reader_unlock)
 222 void      g_static_rw_lock_reader_unlock  (GStaticRWLock *lock);
 223
 224 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_writer_lock)
 225 void      g_static_rw_lock_writer_lock    (GStaticRWLock *lock);
 226
 227 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_writer_trylock)
 228 gboolean  g_static_rw_lock_writer_trylock (GStaticRWLock *lock);
 229
 230 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_writer_unlock)
 231 void      g_static_rw_lock_writer_unlock  (GStaticRWLock *lock);
 232
 233 GLIB_DEPRECATED_IN_2_32_FOR(g_rw_lock_free)
 234 void      g_static_rw_lock_free           (GStaticRWLock *lock);
 235
 236 GLIB_DEPRECATED_IN_2_32
 237 GPrivate *      g_private_new             (GDestroyNotify notify);
 238
 239 typedef struct _GStaticPrivate  GStaticPrivate;
 240 struct _GStaticPrivate
 241 {
 242   /*< private >*/
 243   guint index;
 244 };
 245
 246 #define G_STATIC_PRIVATE_INIT { 0 }
 247 GLIB_DEPRECATED_IN_2_32
 248 void     g_static_private_init           (GStaticPrivate *private_key);
 249
 250 GLIB_DEPRECATED_IN_2_32_FOR(g_private_get)
 251 gpointer g_static_private_get            (GStaticPrivate *private_key);
 252
 253 GLIB_DEPRECATED_IN_2_32_FOR(g_private_set)
 254 void     g_static_private_set            (GStaticPrivate *private_key,
 255                                           gpointer        data,
 256                                           GDestroyNotify  notify);
 257
 258 GLIB_DEPRECATED_IN_2_32
 259 void     g_static_private_free           (GStaticPrivate *private_key);
 260
 261 GLIB_DEPRECATED_IN_2_32
 262 gboolean g_once_init_enter_impl          (volatile gsize *location);
 263
 264 GLIB_DEPRECATED_IN_2_32
 265 void     g_thread_init                   (gpointer vtable);
 266 GLIB_DEPRECATED_IN_2_32
 267 void    g_thread_init_with_errorcheck_mutexes (gpointer vtable);
 268
 269 GLIB_DEPRECATED_IN_2_32
 270 gboolean g_thread_get_initialized        (void);
 271
 272 GLIB_VAR gboolean g_threads_got_initialized;
 273
 274 #define g_thread_supported()     (1)
 275
 276 GLIB_DEPRECATED_IN_2_32
 277 GMutex *        g_mutex_new             (void);
 278 GLIB_DEPRECATED_IN_2_32
 279 void            g_mutex_free            (GMutex *mutex);
 280 GLIB_DEPRECATED_IN_2_32
 281 GCond *         g_cond_new              (void);
 282 GLIB_DEPRECATED_IN_2_32
 283 void            g_cond_free             (GCond  *cond);
 284 GLIB_DEPRECATED_IN_2_32
 285 gboolean        g_cond_timed_wait       (GCond          *cond,
 286                                          GMutex         *mutex,
 287                                          GTimeVal       *timeval);
 288
 289 #endif
 290
 291 G_END_DECLS
 292
 293 #endif /* __G_DEPRECATED_THREAD_H__ */